189440980

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{26833}}^1$

素因数の和:27195

約数の個数: 24

約数和(自身を含む): 398967912

約数和(自身を除く): 209526932

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 26833, 53666, 107332, 134165, 268330, 536660, 9472049, 18944098, 37888196, 47360245, 94720490, 189440980]

約数ペア:

[(1, 189440980), (2, 94720490), (4, 47360245), (5, 37888196), (10, 18944098), (20, 9472049), (353, 536660), (706, 268330), (1412, 134165), (1765, 107332), (3530, 53666), (7060, 26833)]